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Best panels for small roofs

Ranked by power density in watts per square metre. The figure that matters when the roof, not the budget, is the constraint. All rankings

Manufacturer
All AE Solar Jinko Solar JA Solar DAH Solar Trina Solar Canadian Solar Longi Solar Suntech Hanersun Gamko New Energy Resun Solar GCL Waaree ZNShine SunEvo Solar Vikram Solar Yingli Sunova Horay Solar Phono Solar Emmvee Techwise Solar Seraphim Heckert Solar Risen Luxen Solar Energy Astronergy DMEGC Solar N Plus Goldi Solar AIKO Talesun MY Solar JS Solar Sunlike Solar EGing PV Jolywood Huasun Huayao LEDVANCE Runergy Tongwei Luxor Solar Leapton BYD Renesola TPL Solar HT-SAAE Q-SUN Solar VSUN Hiwatt Solar Shinson Technology Philadelphia Solar DAS Solar Jetion HY SOLAR Heliene S-Energy Q-Cells Solarspace Sunpro Power AmoSolar Ulica Solar PolyCrown Solar Tech SunLink SpolarPV TCL Zhonghuan Hyundai First Solar VDS Renewable Recom Boviet Solar PVolution Sun Earth AUSTA ENERGY REC SunKean Premier Energies Isola New Energy Sunket New Energy Rarlon PV Tech Solitek Adani Solar Silfab Renewsys Axitec Gokin Hounen Solar Solarwatt Solar-Fabrik Just Solar RedSolar Tata Power Solar Lina Energy FuturaSun G-STAR Maxeon Ocean Solar CSUN Selfa Aptos Solar IBC Solar SP Enerji Exiom Neo Solar Power New East Solar Einnova Solarline Motech Amerisolar Solaria LinkSol Panasonic LG Meyer Burger Mission Solar Hansol Kensol Powitt Solar Runtech China Bruk-Bet Lu'an Solar Sharp Daxieworld Twinsel Electronic Technology Weran Solar Haitai Solar CW Enerji Mysolar USA Renew Photovoltaics Centro Energy ECODELTA Fellow Energy GL Solar Avaada Bisol Lexron Sunplus Viessmann ET Solar Jinergy Loom Solar Sonnex Energie TN Solar Vespa Solar Enerji Kyocera Navitas Solar Clelo Tech Depozit Solar Gintech HD Solar KIOTO Solar Reliance New Energy TommaTech BECSA Bauer Solar Becquer DualSun Runda Solar SOMI Sunman VEDA Solar AEET Anern Energy Beny New Energy Corab Elege Electronic Jshine Solar Technology KB Solar MSolar Mogen Solar Solar Power Vietnam YS Solar Zonergy ENCOR AKCOME KDM Kingdom Solar Kingdom Peimar Easun Power LS Solar MWG ASM AU Optronics Growatt RMCIP Tescom Solar Top Solar Wanze Energy
Active 300 Wp and up Found 13,438 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
AmoSolar AS665G12-132 665 Wp 21.41% 214.1 -0.340 0.55% 33.0 kg PERC Light for its class, top 11%
AmoSolar AS665G12-120 BI 665 Wp 21.40% 214.1 -0.340 0.50% 38.7 kg PERC Heavy for its class
Solarspace SS9-66HD-665M BI 665 Wp 21.41% 214.1 -0.330 0.45% 37.5 kg PERC Cool in heat, top 6%
VSUN CSUN665-132M 665 Wp 21.41% 214.1 -0.350 0.55% 34.5 kg - Fast degradation
LF665M12-66H 665 Wp 21.41% 214.1 -0.354 0.55% 34.0 kg N-type Weak in heat
Runergy SS9-66HD-665M BI 665 Wp 21.41% 214.1 -0.330 0.45% 37.5 kg PERC Cool in heat, top 6%
Luxen Solar Energy LNET-665M 665 Wp 21.41% 214.1 -0.340 0.55% 34.0 kg PERC Typical across the board
Shinson Technology S665M66P4BF BI 665 Wp 21.40% 214.1 -0.340 0.50% 38.0 kg - Heavy for its class
VDS Renewable VDS-S132/M12H-665 665 Wp 21.40% 214.1 -0.340 0.55% 33.9 kg - Fast degradation
Centro Energy CE-665M 665 Wp 21.41% 214.1 -0.400 0.45% 34.5 kg PERC Weak in heat
Techwise Solar TW-665HT 665 Wp 21.41% 214.1 -0.340 0.55% 32.9 kg PERC Light for its class, top 10%
Hiwatt Solar HW-M12/132H-665 665 Wp 21.40% 214.1 -0.340 0.55% 35.7 kg PERC Typical across the board
Runergy SS9-66HS-665M 665 Wp 21.41% 214.1 -0.340 0.55% 32.5 kg PERC Light for its class, top 5%
SRP-665-BMC-HV 665 Wp 21.41% 214.1 -0.340 0.55% 32.2 kg PERC Light for its class, top 3%
SRP-665-BMC-BG BI 665 Wp 21.41% 214.1 -0.340 0.45% 38.5 kg PERC Slow degradation, top 19%
Shinson Technology S665M66P4 665 Wp 21.40% 214.1 -0.340 0.50% 34.4 kg PERC Typical across the board
Gamko New Energy GKA210M132-665W BI 665 Wp 21.41% 214.1 -0.340 - 34.0 kg PERC Degradation not published
JS210MHC132-665 665 Wp 21.40% 214.1 -0.340 - 34.0 kg PERC Degradation not published
Sunlike Solar LNET-665M 665 Wp 21.41% 214.1 -0.340 0.53% 34.0 kg PERC Typical across the board
NS-665MH-132 665 Wp 21.40% 214.1 -0.290 - 38.7 kg TOPCon Heavy for its class
TPL Solar TPL665M-132HC 665 Wp 21.40% 214.1 -0.340 0.58% 33.9 kg PERC Fast degradation
RS645~665S9B-132 (665W) 665 Wp 21.40% 214.1 -0.354 - 33.0 kg - Light for its class, top 2%
Sunlike Solar LNET-665MD BI 665 Wp 21.41% 214.1 -0.340 0.53% 34.0 kg - Typical across the board
Vikram Solar PARADEA VSMDH.66.665.05 BI 665 Wp 21.41% 214.1 -0.350 0.50% 39.5 kg PERC Heavy for its class
ZXM8-TPLD132-665W 665 Wp 21.41% 214.1 -0.340 0.45% 38.5 kg PERC Slow degradation, top 19%
GCL-M12/66H 665 665 Wp 21.40% 214.1 -0.350 0.55% 34.2 kg PERC Weak in heat
JS Solar JS210MHC132-665 665 Wp 21.40% 214.1 -0.340 0.55% 34.0 kg - Fast degradation
ZXM8-TP132-665 665 Wp 21.41% 214.1 -0.340 0.55% 33.5 kg PERC Light for its class, top 22%
Luxor Solar LX - 665M/210-132+ BiF BI 665 Wp 21.62% 214.1 -0.360 0.50% 34.0 kg - Weak in heat
CSUN CSUN665-132M 665 Wp 21.41% 214.1 -0.350 0.55% 34.5 kg PERC Weak in heat
New East Solar NESE 665-66MHT-G12 BI 665 Wp 21.41% 214.1 -0.340 0.55% 33.5 kg PERC Light for its class, top 22%
Gamko New Energy GKA210M132-665 BI 665 Wp 21.41% 214.1 -0.340 0.45% 34.0 kg TOPCon Weak in heat
RS665S9B-132 665 Wp 21.40% 214.1 -0.354 0.54% 33.0 kg - Light for its class, top 2%
PolyCrown Solar Tech NS-665MH-132 BI 665 Wp 21.40% 214.1 -0.290 0.40% 38.7 kg TOPCon Heavy for its class
Amerisolar AS-8M132-HC-665W 665 Wp 21.41% 214.1 -0.340 0.60% 34.0 kg PERC Fast degradation
Hounen Solar HNM8-TPLDD132-665/M BI 665 Wp 21.41% 214.1 -0.340 0.48% 38.5 kg - Heavy for its class
Solar N Plus SP-G12/132HG665W BI 665 Wp 21.40% 214.1 -0.350 0.45% 38.7 kg PERC Weak in heat
Vikram Solar SOMERA VSMH.66.665.05 665 Wp 21.41% 214.1 -0.350 0.55% 33.6 kg PERC Weak in heat
Vikram Solar PREXOS VSMDHT.66.665.05 BI 665 Wp 21.41% 214.1 -0.350 0.55% 33.6 kg PERC Weak in heat
Resun Solar RS9H-M-665 665 Wp 21.41% 214.1 -0.350 0.50% 33.6 kg - Light for its class, top 16%
Q.PEAK DUO ML-G12S.3 / BFG 665 BI 665 Wp 21.40% 214.1 -0.340 0.45% 38.2 kg - Slow degradation, top 15%
HS510TC-MHG-D BI 510 Wp 21.40% 214.0 -0.280 0.40% 28.0 kg TOPCon Modest efficiency
HiE-S425DG(FB) 425 Wp 21.40% 214.0 -0.340 0.55% 20.8 kg PERC Space-efficient, top 5%
TH425PMB7-44SCF 425 Wp 21.40% 214.0 -0.340 0.55% 20.8 kg - Light for its class, top 9%
HiE-S425DG 425 Wp 21.40% 214.0 -0.340 0.55% 20.8 kg PERC Space-efficient, top 5%
Shinson Technology S425M44SBB 425 Wp 21.40% 214.0 -0.340 0.50% 20.8 kg PERC Space-efficient, top 5%
SunEvo Solar SE6-44SC-425W 425 Wp 21.40% 214.0 -0.340 0.55% 20.8 kg - Light for its class, top 9%
SunEvo Solar SE6-44SC-425 425 Wp 21.40% 214.0 -0.340 0.55% 20.8 kg - Light for its class, top 9%
AmoSolar AS390M6-120 390 Wp 21.40% 214.0 -0.350 0.55% 20.5 kg PERC Space-efficient, top 1%
LR4-72HPH-465M 465 Wp 21.40% 213.9 -0.340 0.55% 24.3 kg PERC Top 5% efficiency
Colour key Strong - top 25% of segment Typical - middle 50% Weak - bottom 25%
Reading this table

Every number is ranked

Colour and bar show where a value sits inside that panel's own segment - its cell technology at its power class - not across the whole database.

Standout says why it matters

One phrase per row, generated from whichever metric is furthest from its segment median.

A dash means no data

The manufacturer did not publish it. We never estimate a missing value - the amber triangle marks those rows.

Technologies

TOPCon HJT PERC N-type